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90068353 is a prime number
BaseRepresentation
bin1010101111001…
…01010110000001
320021110221112221
411113211112001
5141024141403
612534251041
72142365644
oct527452601
9207427487
1090068353
1146928761
12261b6a81
13158770ab
14bd67a5b
157d91dbd
hex55e5581

90068353 has 2 divisors, whose sum is σ = 90068354. Its totient is φ = 90068352.

The previous prime is 90068347. The next prime is 90068369. The reversal of 90068353 is 35386009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80784144 + 9284209 = 8988^2 + 3047^2 .

It is an emirp because it is prime and its reverse (35386009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90068353 - 29 = 90067841 is a prime.

It is a super-2 number, since 2×900683532 = 16224616424265218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90068383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45034176 + 45034177.

It is an arithmetic number, because the mean of its divisors is an integer number (45034177).

Almost surely, 290068353 is an apocalyptic number.

It is an amenable number.

90068353 is a deficient number, since it is larger than the sum of its proper divisors (1).

90068353 is an equidigital number, since it uses as much as digits as its factorization.

90068353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90068353 is about 9490.4348161715. The cubic root of 90068353 is about 448.2538968573.

The spelling of 90068353 in words is "ninety million, sixty-eight thousand, three hundred fifty-three".